Ments



1,622,509 March 29 1927' D. w. HAwKswoRTH CAR ROOF' Filed March 13. 19223 Sheets-Sheet 1 WMM.

l 927 D. w. HAwKswoRTl-l March 29 CAR ROOF Filed March 13. 1922 3Sheets-Sheet 2 March 29 1927. 1,622,509

D. W. HAWKSWORTH cAR Roor Filed March 13. 1922 3 Sheets-Sheet 5 PatentedMar. 29, 19.27..

UNITED STATES PATENT OFFICE.

DAVID W. HAWKSWORTH, OF DETROIT, MIGI'IIGAN, ASSIGNOR, BY MESNE ASSIGN-MENTS, TO HUTCHINS CAR ROOFING CGMPANY,

PORATION OF DELAWARE.

OF DETROIT, MICHIGAN, A COR- CAR RCOF.

Application filed March 13, 1922. Serial No. 543,282.

The invention relates to car roots of that type known as rigid roofs, inwhich the roofing sheets are attached to each other `without provisionfor relative movement.

Among the objects of the invention are; first, to obtain a constructionin which the the roofing sheets are formed from rectangular blanks,thereby avoiding waste of metal; second, to obtain a rigid trussing ofthe roof sheets without the use of separate carlines. and; third, tosimplify the construction. With these objects in view the inventionconsists in the construction as hereinafter setforth.

In the drawings:

Figure l is a plan View of one-half the width of the roof;

Figure 2 is a cross-section;

Figure 3 is a side elevation;

Figure 4 is a cross-section on line 4 4 of Figure 1;

Figure 5 is a cross-section on line 5 Figure 1; v

Figures 6 and 7 are respectively a plan and vertical section showing amodified con-.

struction forming a ventilated roof;

Figures 8. 9 and 10 are cross-sections showing modified constructions atthe eaves.

My improved roof may be applied to any suitable construction of carframe. but as shown, A are wooden side plates of the car frame. B ametallic angle strip secured to said side plate and having an outwardlyextending eaves flange angled to the slope of the roof. C is the sidingof the car body and D a Z-bar strip havingone flange clamped between theangle B and the plate A and the other overlappins.T the siding to form afascia or protection for the upper en'ds thereof. D are bolts forsecuring the anale har B to the plate A.

My improved roof consists essentially of alternate plates R and S. whichare ar- `ranrred respectively in upper and lower planes and which aresecured to each other hv overlappingf downturned and upturned flangesriveted or otherwise rigidly secured to cach other. Each ot these platesis fashioned from `a rectansrular blank `which is pressed to form. inthe case of the upper plane sheets, downturned perpendicular flanges Eterminating in laterally extending flanges F for overlapping the lowerplane sheet. In the same manner the lower plane sheets are pressed toform perpendicular upstanding flanges E terminating in outwardlylaterally extending flanges F which underlap the upper plane sheets. Theperpendicular flanges E and E are preferably slightly tapered from theridge towards the eaves and lnearto the eaves are curved to merge into acommon plane adjacent to the lateral flange of the angle bar B. Thistapering and curving of the flanges E and E results in thecorresponding` flaring or increase in width of the lateral flanges F andF, inasmuch as the sheet is pressed from a rectangular blank. As aconsequence, at the eaves there is a considerable overlap of theadjacent sheets which lessens in passing from the eaves to the ridge.

In assembling the roof the sheets are successively placed upon the planeextending from eaves to eaves and the eaves flanges G are riveted to theoutwardly extending flanges of the angle bar B. There is also provided adownturned eaves flange I-I which forms a weatherproof joint. Betweenthe eaves the sheets are secured to each other by riveting the adjacentperpendicular flanges E and E. The running board I is mounted upon theroof by means of anale hars J. the vertical flanges of which may besecured bv the same rivets employed for securing the flanges E and E.while the y running boards are bolted to horizontal flanges.

In the completed structure. the lgreater part of the metal of' theplates being equally distributed between two parallel planes. a strongtruss is formed for sustaining roof loads. Also the overlappinon of thesheets. which increases from the ridoe to the eaves. further reinforcesthe structure. At the same time. a certain degree of flexibility isimparted to the structure bv reason of the vertical. flanges and whilethese flanges are rigidly secured to each other. therehv malring aweatherproof ioint. thev will still vield to talee care of excessiveshocks.

In the modified construction shown in Figures 6 and 7. ventilation isprovided. This is formed b v apertures K through the overlapping flangesE and. E. which openings are weatherproofed h v the running boards andthe supporting angle flanges IMI therefor. As shown, these angleIflanges J' have struck-out portions .l2 therein which are riveted tovthe flanges E and E', while intermediate these struck-out portions theportions J3 are spaced from the flanges E. The apertures l are locatedadjacent to these spaced portions J3 and are therefore guarded therebyso as to effectually exclude the weather, while permitting freecirculation of air. Preferably an outwardly struck flange K surroundsthe aperture K and serves to prevent the seeping of water along` theflange E and into said aperture.

The spacing at the ruiming-board supporting brackets from the flanges Ehas the additional advantage that it prevents the forming of the crevicein which dirt 'could lodge and which, by saturating with moisture, willtend to rust out the sheets. 'lhe bearing portions J are so limited inarea and are so tightly secured by the rivets as to avoid forming acrevice as just described.

As shown in Figures 8, 9 and l0, instead of forming the side plate ofthe car of wood, as shown in Figure 5, I have formed such side vplatesof metallic bars. Figure '8 shows an angle bar L having its laterallyprojecting flange at the 'angle of the pitch of the roof. Figure 9 usesa Z-bar side plate M, to which the angle. flange B is attached. Figure10 shows lanother Z-bar sideway N differently arranged. All of thesemodified 'construct-ions fare, however, the same in their 'attachment tothe roof.

lllhat l claim as my invention is:

l. A rcar roof "comprising alternate roofing sheets having their boeiesarranged in spaced planes, and overlapping angular flanges projectingfrom said sheets rigidly secured to each other.

2. A car roof comprising alternate roofing 'sheets arranged respectivelyin upper and lower planes, downturned and upturned side 'flanges on therespective 'sheets yarranged adjacent to each other, and flangesprojecting laterally from said side flanges Aadjacent to the sheet inthe `other plane.

3. A lcar roof 'comprising alternate roof? sheets arranged respectivelyin upper and lower planes, said sheets being provided respectively withd'ownturned and uptnrn'ed side flanges lying adjacent to each other andterminating in laterally extending flanges, each adjacent to the sheetin the yother plane, -said upper plane sheets being fashioned to mergeinto the lower plane at the eaves.

il. A car roof comprising alternate sheets 'arranged respectively7 inupper and lower planes, Asaid upper plane sheets being fashioned to lieadjacent to the lower plane at the eaves. side flanges for said sheetslving acent to each other. each terminating in :a laterally projectingflange adjacent to the plane of the adjacent sheet, said side flangesbeing riveted to each other and said eaves flanges .being rigidlysecured to the car frame.

5. ln a car roof, the combination with a car traine having side platesand angle bars secured lo said side plates with out dly extendinglateral flanges, alternate roofing sheets extending from eaves 'io eavesand resj'iectively in upper and lower planes, the upper plane sheetsbeing fashioned to merge into the lower plane at the eaves and all ofsaid sheets overlying said angle bars and provided with down-turnedeaves flanges, side flanges for said sheets lying adjacent to each otherand each terminating in a laterally extending flange adjacent to theplane of the adjacent sheet, and rivets connecting said side flanges toeach Vother and said sheets to said angle bars at the eaves.

v6. A car roof comprising a car frame hav. ing side plates, angle barssecured to sai-'d side plates and having outwardly extending flanges,alternate roofing sheets extending from eaves to eaves and lyingrespectively in upper and lower planes, the upper plane sheets beingfashioned to merge into the lower plane at the leaves :and overlyingsaid angle bar. terminating in Idown-turned eaves flanges, side flangesfor said sheets perpendicular to the planes thereof and lying adjacentto each other, each of sai-d flanges 'terminating in a laterallyextending flange adjacent to the plane of the adjacent sheet, rivets forsecuring said sheets to said angle bar and for securing said sideflanges to each other, and saddles or bracket supports for the runningboard secured to said Side flanges by the rivets securing vsai-dyflanges to each other.

7. A car roof comprising lalternate sheets respectively7 in upper andlower planes *and extending from eaves to eaves, said sheets beingarched towards the ridge and the upper plane sheets being fashioned tomerge into the lower plane at the eaves, each of said sheets beingformed 'of a rectangular blank having side flanges perpendicular to theplane of the sheet and terminating in laterally extending flanges lyingadj aeent to the plane of the adjacent sheet, sai-d perpendicularflanges being tapered from the ridge towards the eaves and `said lateralflan-ges being correspondingly ,increased in width at the eaves, andmeans for rigidly attaching the perpendicular flanges of said sheets to.ach other and all of said sheets to the eaves.

8. A ventilated car roof comprising roofing sheets lying in spacedplanes, connected b v intermedi-ate vertically extending portions. saidvertical portions being -apertured to provide ventilation.

9. A car roof comprising roofing sheets lying in spaced planes,connected Eby interneilia'e vertical portions having a ventilatingaperture therein, and a guard for said Ventilating aperture forming aweatherproofing means therefor.

l0. A Ventilating car root comprising rooting sheets lying in spacedplanes connected by intern'iedia'e vertically extending portions havingan aperture therein, a running-board saddle having a portion spaced fromsaid aperturcd portion to forni a weatl'ierproofing gua-rd therefor.

1l.. A car roofing comprising rooting sheets.' lying in spaced planesconnected by vertically extending overlapping Hanges, said flanges beingapertured, and a runningboard saddle secured to said flanges and havinga portion spaced therefrom for guarding said Ventilating aperture.

l2. A car roofing comprising rooting sheets lying in spaced planes withvertically extending overlapping flanges intermediate said planes, saidflanges being apertured, and a running-board saddle having a portionrigidly attached to said ianges and a portion spaced from and overlyingsaid apertures to forni a guard therefor.

In testimony whereof I aix my signature.

DAVID IV. HAIVKSIVORTH.

